{
  "id": "CVE-2025-47827",
  "url": "https://spydr.io/cve/CVE-2025-47827",
  "published": "2025-06-05T14:15:32.263Z",
  "modified": "2026-06-17T09:28:44.910Z",
  "score": 4.6,
  "severity": "medium",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "score_source": "CISA ADP",
  "epss": 0.04927,
  "epss_percentile": 0.91876,
  "exploited": true,
  "kev": {
    "added": "2025-10-14",
    "due": "2025-11-04",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "IGEL OS Use of a Key Past its Expiration Date Vulnerability",
    "notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 ; https://nvd.nist.gov/vuln/detail/CVE-2025-47827"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "igel",
    "microsoft"
  ],
  "products": [
    "igel os",
    "microsoft windows 10 1507",
    "microsoft windows 10 1607",
    "microsoft windows 10 1809",
    "microsoft windows 10 21h2",
    "microsoft windows 10 22h2",
    "microsoft windows 11 22h2",
    "microsoft windows 11 23h2",
    "microsoft windows 11 24h2",
    "microsoft windows 11 25h2",
    "microsoft windows server 2012",
    "microsoft windows server 2016",
    "microsoft windows server 2019",
    "microsoft windows server 2022",
    "microsoft windows server 2022 23h2",
    "microsoft windows server 2025"
  ],
  "cwes": [
    "CWE-347"
  ],
  "description": "In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 4.6,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/Zedeldi/CVE-2025-47827",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/Zedeldi/igelfs",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47827",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}